(~es, ~ing, ~ed)
~ for
1.
If you say that you can or will ~ for someone, you mean that you can guarantee their good behaviour.
Kim’s mother agreed to ~ for Maria and get her a job.
PHRASAL VERB: V P n
2.
If you say that you can ~ for something, you mean that you have evidence from your own personal experience that it is true or correct.
He cannot ~ for the accuracy of the story.
PHRASAL VERB: V P n